More Great Product Available at our store. Powered by SixBit's eCommerce Solution. The item "Small Block Chevy 305350 CenterBolt Polish Aluminum Valve Cover Smooth SBC Short" is in sale since Tuesday, October 1, 2013. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Valve Covers". The seller is "autonets" and is located in Chino, California.